81=5b+6

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Solution for 81=5b+6 equation:


Simplifying
81 = 5b + 6

Reorder the terms:
81 = 6 + 5b

Solving
81 = 6 + 5b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-5b' to each side of the equation.
81 + -5b = 6 + 5b + -5b

Combine like terms: 5b + -5b = 0
81 + -5b = 6 + 0
81 + -5b = 6

Add '-81' to each side of the equation.
81 + -81 + -5b = 6 + -81

Combine like terms: 81 + -81 = 0
0 + -5b = 6 + -81
-5b = 6 + -81

Combine like terms: 6 + -81 = -75
-5b = -75

Divide each side by '-5'.
b = 15

Simplifying
b = 15

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